The computers run totally on 12V and the motherboard handles things like turning the computer on and off. The computer also was trying to run the power supply’s fan which needed some work arounds.

Ergo out came the screwdriver to open the power supply to see what had broken, and hopefully to fix it. After some more probing around, he discovered that the unit had many more issues ...

A power supply for electronic devices. Also called an "AC adapter" or "charger," power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages ...